Climate Change Thread

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Master Geek
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#3267040 1-Aug-2024 13:12

https://cosmosmagazine.com/earth/earth-sciences/magnetic-reversal-caused-massive-climate-shifts/

I guess it's who or what you want to believe. Nobody will know for sure unless they experience it for themselves.

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sir1963

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#3267046 1-Aug-2024 13:22

jrdobbs:

https://cosmosmagazine.com/earth/earth-sciences/magnetic-reversal-caused-massive-climate-shifts/

I guess it's who or what you want to believe. Nobody will know for sure unless they experience it for themselves.

ROTFLMAO... so you now point to an article where the effects of pole reversal are known and yet you somehow think climate scientists don't know about this.
Wow... then you top it off with "Nobody will know for sure" as if this will cause doubt and you have that "Gotcha" moment. You don't.

The current models are showing what is happening NOW and how climate change is real and the effects it is currently having and where that will lead to.

A pole change when and if it occurs does absolutely zero to change the current impacts of climate change.

huckster

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#3267097 1-Aug-2024 13:27

jrdobbs:

https://cosmosmagazine.com/earth/earth-sciences/magnetic-reversal-caused-massive-climate-shifts/

I guess it's who or what you want to believe. Nobody will know for sure unless they experience it for themselves.

From that very article....

"Most previous research had focused on what happened during the reversal, when the magnetic field was reduced to 28% of its current strength. But this study reveals the most dramatic impacts occurred into the lead-up to the reversal, when the field dropped to 0–6% of its current strength."

huckster

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#3267099 1-Aug-2024 13:31

sir1963:

Science is wonderful, it is more than happy to be proven wrong when a better model comes around, this is NOT a flaw, it is a strength. And yet we are still finding proofs of Einsteins work over 100 years later and he had no computer to work with.

This bit. In fact I would go as far to say that when something is found to be wrong - usually by other scientists - it only improves and refines things.

Rikkitic

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#3267103 1-Aug-2024 13:42

Here is what I don't get about this: If the climate is changing in a way that badly affects us, and we can do something to reduce the bad effect, what bloody difference does it make whether the bad effect is caused by us or something 'natural'? Things are heating up. That is creating problems. We can reduce the heating by changing aspects of our behavior that contribute to it, like stopping our use of fossil fuels. We know that less carbon in the atmosphere reduces the heating effect, so who cares what the cause of it is? Removing an extra blanket to avoid getting too hot in bed makes sense. Arguing about whether the cause of you being hot is due to your menopause or the warm summer night doesn't.

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Canuckabroad

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#3267205 1-Aug-2024 15:36

My understanding is that arguments about climate change not being predominately caused by human action are part of climate change denial or arguments that humans shouldn't or can't do anything about it. They are the same in the view of the person making the argument - they don't want to change or experience cost or loss of convenience so they are arguing against there being a valid reason to do so.

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mkissin

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#3267210 1-Aug-2024 15:42

Canuckabroad:

My understanding is that arguments about climate change not being predominately caused by human action are part of climate change denial or arguments that humans shouldn't or can't do anything about it. They are the same in the view of the person making the argument - they don't want to change or experience cost or loss of convenience so they are arguing against there being a valid reason to do so.

Good luck to those people in a decade or so. Levels of inconvenience are going to ramp up pretty quickly.

tdgeek

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#3267212 1-Aug-2024 15:43

jrdobbs:

https://cosmosmagazine.com/earth/earth-sciences/magnetic-reversal-caused-massive-climate-shifts/

I guess it's who or what you want to believe. Nobody will know for sure unless they experience it for themselves.

The correlation of atmospheric gases and global temperature since the Industrial revolution is very stark. Fits like a glove

SaltyNZ

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#3267222 1-Aug-2024 16:01

jrdobbs:

https://cosmosmagazine.com/earth/earth-sciences/magnetic-reversal-caused-massive-climate-shifts/

I guess it's who or what you want to believe. Nobody will know for sure unless they experience it for themselves.

From your article:

“We essentially had no magnetic field at all – our cosmic radiation shield was totally gone,” Turney explains.

This left the planet vulnerable to solar flares and cosmic rays.

“Unfiltered radiation from space ripped apart air particles in Earth’s atmosphere, separating electrons and emitting light – a process called ionisation,” Turney explains. “The ionised air ‘fried’ the ozone layer, triggering a ripple of climate change across the globe.”

These scientist's conclusion is that when the earth's magnetic field slips, the ozone layer is destroyed by solar UV, and this in turn causes massive climate flips.

As you can see from direct measurements, however, the ozone layer has been steadily improving since the global ban on CFCs. These measurements are so sensitive that they can detect rogue CFC emitters.

The climate has been steadily warming since the beginning of the industrial era and is getting worse more quickly. Thus, even if a flip of the earth's magnetic field does cause climatic shifts, it is clearly not the cause of our current climate issues.

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wellygary

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#3267247 1-Aug-2024 17:01

The climate has been steadily warming since the beginning of the industrial era and is getting worse more quickly. Thus, even if a flip of the earth's magnetic field does cause climatic shifts, it is clearly not the cause of our current climate issues.

The Climate has been steadily warming since the end of the last Ice age, but its been warming quicker since the industrial era,

Pre-industrial temps were 4-6 degrees warmer than the last glacial maximum (~20K years ago)

Sea levels were 100m lower than today and you could walk from Taranaki to Nelson

Tinkerisk

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#3271140 13-Aug-2024 16:39

Today we are facing a temperature of +37°C here in northern Germany, heavy thunderstorms due to these temperatures with extreme precipitation and severe forest fires off Athens in Greece. 🤷

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Canuckabroad

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#3271168 13-Aug-2024 17:41

I recently checked the temperatures in Northern Canada, and records everywhere were being broken with temps between 29C and 35C including areas that have had permafrost since the last ice age. There are just too many records relating to heat around the planet that are being broken on a daily basis now. The rate of change we're seeing is visibly growing.

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#3271203 13-Aug-2024 22:25

Parody of popular New Zealand video "Beached as"

Beached Az: Bleached Az

Handsomedan

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#3271318 14-Aug-2024 09:19

I watched Paddy Gower on Ice last night and the night before.
He goes to Antarctica and talks to scientists about the effcets of global warming and climate change.

Eye-opening and thought provoking. Especially the scientists stating that we are only able to reduce the impact, not stop or reverse the global climate crisis.
That was a frustrating and ultimately depressing fact.

The other thing I found frustrating was the piece on the protesters - the Extinction Rebellion wazzers who believe that by making their point with stopping traffic and destroying art, they are going to do something about climate change.
It's so annoying to hear them whinge on, while travelling to and from their protest actions in a dirtly old diesel van, travelling on roads made of bitumen, on rubber tyres made of oil and the vehicle lubricated with oil and other petrochemicals.
They failed to see the irony when confronted with it.
They do the opposite of what they hope to achieve - they alienate the population when they should be getting us all onside.

What I also find frustrating is red tape preventing new technologies from being used - like the feed for cows that can drastically reduce methane emissions - legal in AU, but not here - despite being made here.
It's like we want to destroy the planet.

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SaltyNZ

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#3271319 14-Aug-2024 09:24

Handsomedan:

What I also find frustrating is red tape preventing new technologies from being used - like the feed for cows that can drastically reduce methane emissions - legal in AU, but not here - desppite being made here.
It's like we want to destroy the planet.

When you join a political party you are (or at least should be) aware you'll have to agree to agree to some policies that you don't agree with. Personally I think that if we were having this discussion seriously in the 1990s when a naive me believed the people in charge were doing something about it so I didn't really need to worry, then we could probably have gotten away without GE grass etc.

However... at this point I also feel that a blanket ban on GE is literally leaving a tool lying on the table, and we need all the tools we can get.

But that's the flip side of joining a party - you can help influence the policies. And the way the Green Party is structured, members get a much bigger say in it than some others.

Just my 2 inflation-adjusted cents.

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